Self righting clock



FIG. 1 is a top front perspective view of a self righting clock;

FIG. 2 is a front elevation view of the self righting clock of FIG. 1;

FIG. 3 is a side elevation of the self righting clock as seen from the left side of FIG. 2;

FIG. 4 is a top plan view of the self righting clock of FIG. 1;

FIG. 5 is a back elevation view of the self righting clock of FIG. 1; and,

FIG. 6 is a bottom plan view of the self righting clock of FIG. 1. 

The ornamental design for a self righting clock, as shown and described. 